Sources

Kebara 2 skeleton replica Nicolas Perrault
Kinesiological inferences and evolutionary implications from Laetoli bipedal trails G-1, G-2/3 and A. In Laetoli - A Pliocene site in northern Tanzania.Clarendon Press J.M. Harris, Mary Leakey, Russell Tuttle
Koobi Fora Museum Maina Kiarie
Kromdraai A Profberger
Kromdraai B Profberger
Laetoli Britannica Britannica Britannica
Laetoli Footprints Preserve Earliest Direct Evidence of Human-Like Bipedal BiomechanicsPLOS ONE 5(3) Adam Foster, Adam Gordon, David Raichlen, Randall Haas, William Harcourt-Smith
Laetoli Footprints - Protecting Traces of Our Earliest Ancestors Getty Conservation Institute
Laetoli footprints reveal bipedal gait biomechanics different from those of modern humans and chimpanzees.Proceedings of the Royal Society B. Biological Sciences, 283(1836) Brian Richmond, Brigitte Demes, Kevin Hatala
Laetoli Pliocene hominid footprints and bipedalismNature 286(5771) E.H. Wickens, Michael Day